UEP1J100MED

The UEP1J100MED is a bi‑polar aluminum electrolytic capacitor from Nichicon’s UEP series, specified for general‑purpose applications that require operation across a wide temperature range. It provides 10 µF capacitance at a 63 V rating in a compact radial lead can (φ6.3 × 11 mm) with 2.5 mm lead spacing.

Designed for reliability in temperature‑extreme environments, this part supports operation from −55 °C to +105 °C and a 1,000‑hour endurance at 105 °C with polarity inversion per the UEP series test conditions.

Key Features

• Bi‑Polarized Construction Enables use in AC‑coupled or bipolar signal paths where polarity reversal can occur; endurance testing includes polarity inversion every 250 hours during 1,000 hours at 105 °C.
• Capacitance & Voltage 10 µF nominal capacitance with a 63 V rated voltage and tolerance of ±20% (measured at 120 Hz, 20 °C).
• Wide Temperature Range Rated for −55 °C to +105 °C operation, supporting deployments in thermally demanding applications.
• Compact Radial Lead Package φ6.3 × 11 mm can with 2.5 mm lead spacing and radial lead mounting for through‑hole assemblies and prototyping.
• Low Loss & Leakage Characteristics Specified tan δ max of 0.12 at 63 V (120 Hz, 20 °C) and leakage current ≤ 0.03 × C × V (µA) after 5 minutes at 20 °C.
• Ripple Current Ratings Frequency‑dependent ripple capability: 40 mA at 120 Hz and 80 mA at 10 kHz for the 10 µF size (per series frequency coefficients).
• RoHS Compliant Meets RoHS directive requirements as indicated for the UEP series.

Typical Applications

• General Purpose Power Filtering — Bulk decoupling and smoothing in DC‑DC converter outputs or power rails where bipolar behavior and wide temperature tolerance are needed.
• Signal Coupling and AC Paths — AC coupling or decoupling in analog signal chains that experience bipolar voltages or polarity reversals.
• Industrial Controls — Use in controller and I/O circuitry exposed to varying ambient temperatures and ripple currents.
• Instrumentation and Test Equipment — Stabilization and filtering in measurement front‑ends where stable performance from −55 °C to +105 °C is required.

Unique Advantages

• Bi‑polar design for reversible polarity: Allows application in circuits where voltage polarity can reverse without requiring additional protection components.
• Wide operating temperature span: −55 °C to +105 °C rating supports use across a broad set of environmental conditions.
• Endurance characterized at high temperature: 1,000 hours at 105 °C with polarity inversion provides predictable performance and facilitates life‑cycle planning.
• Compact, through‑hole form factor: φ6.3 × 11 mm radial can and 2.5 mm lead spacing simplify PCB placement and hand‑assembly or wave solder processes.
• Measurable electrical stability: Low tan δ (0.12 max at 63 V, 120 Hz) and quantified leakage current (≤ 0.03CV µA after 5 minutes) support robust AC and DC behavior.
• Frequency‑aware ripple capability: Specified ripple currents at 120 Hz and 10 kHz allow designers to assess thermal and ripple performance for intended operating frequencies.

Why Choose UEP1J100MED?

UEP1J100MED pairs bi‑polar capacitor construction with a compact radial can and a broad −55 °C to +105 °C operating range, making it suitable for designs that require reversible polarity tolerance and dependable performance in harsh temperature conditions. Its quantified endurance, leakage, and loss parameters let engineers design with confidence for long‑term stability.

This part is appropriate for engineers specifying through‑hole, general‑purpose electrolytic capacitors in power filtering, signal coupling, and industrial electronics where predictable electrical behavior and environmental robustness are priorities.

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